My Shop Connects Worlds

Wynn Sloan is kicked out by her father for refusing an arranged marriage. She inherits her grandfather's store and discovers a restored ancient painting connects to various times and spaces. She begins cross-dimensional trading, exchanging modern supplies for gold, silver, and antiques from a prince of the Grand Sheng Empire, and rare specialties from primitive tribes. Wynn Sloan gets rich effortlessly, helping people of other worlds and spreading modern technologies.